单因素认证机制固有的局限性。
Inherent limitations of one-factor authentication mechanisms.
标之下实现了两因素认证和真正的一次性口令功能。
Many organizations are turning to two-factor authentication and new software token technologies that leverage one-time passwords.
如果你真的偏执，考虑添加密码和公钥认证的实现双因素认证。
If you're truly paranoid, consider adding password and public key authentication to achieve two-factor authentication.
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